Why is this not written in German, I'm afraid to ask?

Why is it not written in French? Or Italian? Or Romansh? Because Switzerland has four official languages and English makes it easier for everyone

Not really. It's because the target audience is more academic/scientific rather than the Swiss population at large. In the latter case, it would be in the local languages. The law is relatively clear for this. English is not accepted in Switzerland as a replacement language for the "local" ones, although many people can speak or at least understand some English.

heavy sigh I'm Swiss. I know. What I meant to say is that German is not the default language in Switzerland.

Most researchers in Switzerland are non-Swiss, and many institutes have English as language of business

Staff nationality of Swiss higher education institutions:

- Universities: 55% Swiss, 45% foreign - Universities of applied sciences: 75% Swiss, 25% foreign - Universities of teacher education: 87% Swiss, 13% foreign - Professors: 49% Swiss, 51% foreign - PhDs/scientific collaborators: 30% Swiss, 70% foreign - Professors of ETH Zurich: 31% Swiss, 69% foreign

Why it has to be german?

What if I told you there’s this thing in 2026 called an LLM that can translate between any two languages with high fidelity for free, and you just clicked a single button in your browser to use it

It's a university in a French speaking region for one.

Not quite: it's a collab between both ETHZ (Zürich, German speaking) and EPFL (Lausanne, French speaking). According to the website, the actual hardware is distributed all over the country (including in the Italian part).

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english is the lingua franca

because the brits won the language wars.

And the other wars ;)

Because german is hard.